/// <summary>
/// Initializes a new instance of the <see cref="SharedAccessSignatureCredential"/> class.
/// </summary>
///
/// <param name="signature">The shared access signature on which to base the token.</param>
///
public SharedAccessSignatureCredential(SharedAccessSignature signature)
{
Argument.AssertNotNull(signature, nameof(signature));
SharedAccessSignature = signature;
}
private SharedAccessSignature SafeUpdateSharedAccessSignature(SharedAccessSignature cachedSignature, SharedAccessSignature updatedSignature)
{
var signature = Interlocked.CompareExchange(ref _sharedAccessSignature, updatedSignature, cachedSignature);
// If the cached signature doesn't match the active one then the signature was not replaced because it had
// already been updated by another caller; assume that active signature is correct and should be used.
return(ReferenceEquals(signature, cachedSignature)
? updatedSignature
: signature);
}
